5305 spectrum drive, frederick, md 21703-7362 tel: 301-846-9222, 800-638-2048 fax: 301-846-9116 web: www.aeroflex.com/weinschel email: weinschel-sales@aeroflex.com revision date: 8/30/10 39 fixed coaxial attenuators test data supplied: sweep swr/attenuation data/ plots performed across 0.1-40 ghz frequency range. connectors: 2.92mm (male/female) connectors - mate nondestructively with sma per mil-c-39012, 3.5mm and other 2.92mm connectors. connector options type/description 1 2.92mm, female 2 2.92mm, male construction: black, finned aluminum body, gold plated beryllium copper contacts. weight: 200 g (8.0 oz.) maximum physical dimensions: features o compact construction - lowest size/power ratio. o precision injection molded connector dielectric. o designed to meet environmental requirements of mil-dtl-3933. o flat response. specifications nominal impedance: 50 frequency range: dc to 40.0 ghz note: all dimensions are given in mm (inches) and are nominal, unless otherwise specified. model number description: example: 89 - xx -xx model 89 dc to 40.0 ghz medium power fixed coaxial attenuator 20 watts higher power vs frequency design frequency (ghz) swr dc - 18 1.25 18 - 40 1.40 maximum swr: nominal attn (db) deviation (db) 10, 20, 30 + 1.5 maximum deviation over frequency: basic model number attenuation value (db) connector options -11 female/female -12 female/male -21 male/female -22 male/male power rating (mounted horizontally): 20 watts aver- age (unidirectional) to 25c ambient temperature, derated linearly to 2 watts @ 125c. 200 watts peak (5 sec pulse width; 1.25% duty cycle). maximum power into output port is 5 watts. power coefficient: <0.002 db/db/watt temperature coefficient: <0.0004 db/db/c temperature range: -55 c to 125 c dash no. connector type dim a 11 2.92mm female/female 106.2 (4.18) 12 2.92mm female/male 109.2 (4.30) 21 2.92mm male/female 109.2 (4.30) 22 2.92mm male/male 112.0 (4.40)
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